<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>body</title>
</head>
<body>
    <div th:fragment="homepage">
        这是主页
    </div>
    <div th:fragment="userlist">
        这是用户管理界面
    </div>
    
</body>
</html>